System for Detecting Proper Positioning of Accessory

1. A system, comprising: an accessory, comprising a second attachment component; and an electronic device, comprising: a first attachment component, wherein the second attachment component is configured to be attached to the first attachment component, so that the accessory is fixed through attachment to the electronic device in a first orientation or a second orientation; a magnetometer configured to: obtain and output magnetic field intensity information of a position of the magnetometer; be triggered by a combined magnetic field of the first attachment component and the second attachment component to output first magnetic field intensity information when the accessory is fixed through attachment to the electronic device in the first orientation or the second orientation; and be triggered by a magnetic field of the first attachment component to output second magnetic field intensity information; and a processor coupled to the magnetometer, wherein the processor is configured to: receive magnetic field intensity information from the magnetometer; output first indication information when receiving the first magnetic field intensity information that is greater than a first preset threshold, wherein the first preset threshold is based on the second magnetic field intensity information, wherein the first indication information indicates that the accessory is fixed in position through attachment; and output second indication information when the magnetic field intensity information is less than the first preset threshold, wherein the second indication information indicates that the accessory is not fixed in position through attachment.

2. The system of claim 1, wherein the magnetic field intensity information outputted by the magnetometer when the accessory is misattached to the electronic device is third magnetic field intensity information, wherein the processor is configured to: output the first indication information when the magnetic field intensity information is greater than a second preset threshold, wherein the second preset threshold is based on the third magnetic field intensity information outputted by the magnetometer when the accessory is exactly misattached to the electronic device; and output the second indication information when the magnetic field intensity information is less than the second preset threshold.

3. The system of claim 1, wherein the processor is configured to: output the first indication information when the magnetic field intensity information is greater than a third preset threshold, wherein the third preset threshold is based on the first magnetic field intensity information outputted by the magnetometer when the accessory is exactly fixed through attachment to the electronic device; and output the second indication information when the magnetic field intensity information is less than the third preset threshold.

4. The system of claim 3, wherein the magnetic field intensity information outputted by the magnetometer when the accessory is misattached to the electronic device is third magnetic field intensity information, wherein the second indication information further indicates that the accessory is misattached when the magnetic field intensity information is less than the third preset threshold and greater than a second preset threshold, wherein the second indication information further indicates that the accessory is not attached when the magnetic field intensity information is less than the second preset threshold, and wherein the second preset threshold is based on the third magnetic field intensity information outputted by the magnetometer when the accessory is exactly misattached to the electronic device.

5. The system of claim 1, wherein the first attachment component comprises a first attachment member and a second attachment member arranged symmetrically and spaced apart, wherein the second attachment component comprises a third attachment member and a fourth attachment member arranged symmetrically and spaced apart, wherein the accessory is fixed through attachment to the electronic device in the first orientation when the first attachment member is attached to the third attachment member and the second attachment member is attached to the fourth attachment member, and wherein the accessory is fixed through attachment to the electronic device in the second orientation when the first attachment member is attached to the fourth attachment member and the second attachment member is attached to the third attachment member.

6. The system of claim 5, wherein the magnetometer is further configured to: be triggered by a combined magnetic field of the first attachment member and the third attachment member to output the first magnetic field intensity information when the accessory is fixed through attachment to the electronic device in the first orientation; and be triggered by a combined magnetic field of the first attachment member and the fourth attachment member to output the first magnetic field intensity information when the accessory is fixed through attachment to the electronic device in the second orientation.

7. The system of claim 5, wherein the first attachment member and the second attachment member are arranged symmetrically and spaced apart in the first direction, and the first direction is perpendicular to a thickness direction of the electronic device, and wherein the third attachment member and the fourth attachment member are arranged symmetrically and spaced apart in the second direction, and the first orientation is opposite to the second orientation.

8. The system of claim 7, wherein the magnetometer and the first attachment member are arranged spaced apart in a third direction, and the third direction is perpendicular to the first direction and the thickness direction of the electronic device.

9. The system of claim 7, wherein the electronic device further comprises a first wireless charging module, and the first wireless charging module comprises a first charging chip and a first charging structure, wherein the accessory further comprises a second wireless charging module, the second wireless charging module comprises a second charging chip and a second charging structure, and the first charging structure and the second charging structure are opposite when the accessory is fixed through attachment in the first orientation or the second orientation, and wherein the first charging chip is configured to control the first charging structure to output a current when the accessory is fixed in position through attachment, and the second charging chip is configured to receive the current through the second charging structure to charge the accessory when the accessory is fixed in position through attachment.

10. The system of claim 9, wherein the first charging structure is symmetrically arranged with respect to a center line of the first attachment component, and wherein the second charging structure is symmetrically arranged with respect to a center line of the second attachment component, and a spacing by which the first attachment component is offset from the second attachment component in the second direction is less than half of a dimension of the first charging structure in the first direction and less than half of a dimension of the second charging structure in the second direction when the accessory is fixed through attachment to the electronic device.

11. The system of claim 9, wherein the first charging chip is further configured to control the first charging structure to output a communication connection request signal before the processor determines that the accessory is fixed in position through attachment or the accessory is not fixed in position through attachment, and the communication connection request signal enables the accessory to output pairing information, wherein the first charging chip is further configured to receive the pairing information through the first charging structure, wherein the first charging structure receiving the pairing information and the pairing information being successfully verified indicates that the accessory is fixed in position through attachment, wherein the first charging structure not receiving the pairing information indicates that the accessory is not fixed in position through attachment, and wherein the second charging chip is further configured to receive the communication connection request signal through the second charging structure, and control the second charging structure to output the pairing information after receiving the communication connection request signal.

12. The system of claim 9, wherein the first wireless charging module is further configured to switch to an operating state when the electronic device receives the first indication information, and wherein the first wireless charging module is further configured to switch to a low power consumption state when the electronic device does not receive the first indication information.

13. The system of claim 7, wherein the accessory is a stylus, the stylus is attached to a side edge or a back side of the electronic device in the first orientation or the second orientation, and the second direction is a length direction of the stylus.

14. An electronic device, comprising: a first attachment component configured to be attached to a second attachment component of an accessory to fix the accessory to the electronic device in a first orientation or a second orientation; a magnetometer configured to: obtain and output magnetic field intensity information of a position of the magnetometer; be triggered by a combined magnetic field of the first attachment component and the second attachment component to output first magnetic field intensity information when the accessory is fixed to the electronic device in the first orientation or the second orientation; and be triggered by a magnetic field of the first attachment component to output second magnetic field intensity information; and a processor coupled to the magnetometer, wherein the processor is configured to: receive magnetic field intensity information from the magnetometer; output first indication information when receiving the first magnetic field intensity information that is greater than a first preset threshold, wherein the first preset threshold is based on the second magnetic field intensity information, wherein the first indication information indicates that the accessory is fixed in position through attachment; and output second indication information when the magnetic field intensity information is less than the first preset threshold, wherein the second indication information indicates that the accessory is not fixed in position through attachment.

15. The electronic device of claim 14, wherein the processor is configured to: output the first indication information when the magnetic field intensity information is greater than a third preset threshold, wherein the third preset threshold is based on the first magnetic field intensity information outputted by the magnetometer when the accessory is exactly fixed through attachment to the electronic device; and output the second indication information when the magnetic field intensity information is less than the third preset threshold.

16. The electronic device of claim 15, wherein the magnetic field intensity information outputted by the magnetometer when the accessory is misattached to the electronic device is third magnetic field intensity information, wherein the second indication information further indicates that the accessory is misattached when the magnetic field intensity information is less than the third preset threshold and greater than a second preset threshold, wherein the second indication information further indicates that the accessory is not attached when the magnetic field intensity information is less than the second preset threshold, and wherein the second preset threshold is based on the third magnetic field intensity information outputted by the magnetometer when the accessory is exactly misattached to the electronic device.

17. The electronic device of claim 14, wherein the first attachment component comprises a first attachment member and a second attachment member arranged symmetrically and spaced apart, wherein the second attachment component comprises a third attachment member and a fourth attachment member arranged symmetrically and spaced apart, wherein the accessory is fixed through attachment to the electronic device in the first orientation when the first attachment member is attached to the third attachment member and the second attachment member is attached to the fourth attachment member, and wherein the accessory is fixed through attachment to the electronic device in the second orientation when the first attachment member is attached to the fourth attachment member and the second attachment member is attached to the third attachment member.

18. The electronic device of claim 17, wherein the magnetometer is further configured to: be triggered by a combined magnetic field of the first attachment member and the third attachment member to output the first magnetic field intensity information when the accessory is fixed through attachment to the electronic device in the first orientation; and be triggered by a combined magnetic field of the first attachment member and the fourth attachment member to output the first magnetic field intensity information when the accessory is fixed through attachment to the electronic device in the second orientation.

19. The electronic device of claim 17, wherein the first attachment member and the second attachment member are arranged symmetrically and spaced apart in the first direction, and the first direction is perpendicular to a thickness direction of the electronic device, and wherein the third attachment member and the fourth attachment member are arranged symmetrically and spaced apart in the second direction, and the first orientation is opposite to the second orientation.

20. An electronic device, comprising: a first attachment component configured to be attached to a second attachment component of an accessory to fix the accessory to the electronic device in a first orientation or a second orientation; a magnetometer configured to: obtain and output magnetic field intensity information of a position of the magnetometer; be triggered by a combined magnetic field of the first attachment component and the second attachment component to output first magnetic field intensity information when the accessory is fixed to the electronic device in the first orientation or the second orientation; and be triggered by a magnetic field when the accessory is misattached to the electronic device to output third magnetic field intensity information; and a processor coupled to the magnetometer, wherein the processor is configured to: receive magnetic field intensity information from the magnetometer; output first indication information when the magnetic field intensity information is greater than a second preset threshold, wherein the second preset threshold is based on the third magnetic field intensity information outputted by the magnetometer when the accessory is exactly misattached to the electronic device, wherein the first indication information indicates that the accessory is fixed in position through attachment; and output second indication information when the magnetic field intensity information is less than the second preset threshold, wherein the second indication information indicates that the accessory is not fixed in position through attachment.